String library

This page lists the public words currently defined in the top-level string library module.

char.ffp

Source: ff/lib/string/char.ffp
Import: .import <string/char>

Word	Stack effect	Description
space	-- 32	Pushes the ASCII code for a space.
newline	-- 10	Pushes the ASCII code for a newline.
sp	-- {prints char(32)}	Prints a single space character.
cr	-- {prints char(10)}	Prints a newline character.
tab	-- {prints char(9)}	Prints a tab character.
lower?	n -- flag	Tests whether a character code is lowercase ASCII.
upper?	n -- flag	Tests whether a character code is uppercase ASCII.
ucase	n -- n'	Converts a lowercase ASCII character code to uppercase.
lcase	n -- n'	Converts an uppercase ASCII character code to lowercase.

str.ffp

Source: ff/lib/string/str.ffp
Import: .import <string/str>

Word	Stack effect	Description
prints	0 n* -- {prints chars}	Prints a null-terminated stack string.
println	0 n* -- {prints chars, newline}	Prints a stack string followed by a newline.
sprint	[S] -- {prints string}	Evaluates and prints a quoted string.
sprintln	[S] -- {prints string, newline}	Evaluates and prints a quoted string with a trailing newline.
slen	[S] -- n	Returns the length of a quoted string.
scat	[A] [B] -- [A+B]	Concatenates two quoted strings.
sjoin	[A] [Sep] [B] -- [A Sep B]	Joins two quoted strings with a separator.
cjoin	[A] c [B] -- [A c B]	Joins two quoted strings with a single character.